40460449 has 2 divisors, whose sum is σ = 40460450. Its totient is φ = 40460448.

The previous prime is 40460437. The next prime is 40460521. The reversal of 40460449 is 94406404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34433424 + 6027025 = 5868^2 + 2455^2 .

It is a cyclic number.

It is not a de Polignac number, because 40460449 - 2¹³ = 40452257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40460449.

It is not a weakly prime, because it can be changed into another prime (40460419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20230224 + 20230225.

It is an arithmetic number, because the mean of its divisors is an integer number (20230225).

Almost surely, 2^40460449 is an apocalyptic number.

It is an amenable number.

40460449 is a deficient number, since it is larger than the sum of its proper divisors (1).

40460449 is an equidigital number, since it uses as much as digits as its factorization.

40460449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40460449 is about 6360.8528516230. The cubic root of 40460449 is about 343.3024472378.

The spelling of 40460449 in words is "forty million, four hundred sixty thousand, four hundred forty-nine".